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Modélisation géochimique et numérique des interactions entre des solutions solides et une solution aqueuse. Extension du logiciel de réaction-transport Archimède et application à la diagénèse minérale des réservoirs

Elise Nourtier-Mazauric 1, 2, 3
1 LMV-ENSMSE - Laboratoire Magmas et Volcans
Mines Saint-Étienne MSE - École des Mines de Saint-Étienne, SPIN, CNRS - Centre National de la Recherche Scientifique : UMR6524, LMV - Laboratoire Magmas et Volcans : UMR 6524
Abstract : This thesis presents a thermodynamic and kinetic model of interactions between a fluid and ideal solid solutions represented by several end-members.
The reaction between a solid solution and the aqueous solution results from the competition between the stoichiometric dissolution of the initial solid solution and the co-precipitation of the least soluble solid
solution in the fluid at considered time.
This model was implemented in ARCHIMEDE, a computer code of reactive transport in porous media, then applied to various examples. In the case of binary solid solutions, a graphical method allowed to determine the compositions of the precipitating solid solutions, with the aid of the end-member chemical potentials.
The obtained program could be used to notably model the diagenesis of clayey or carbonated oil reservoirs, or the ground pollutant dispersion.
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Submitted on : Tuesday, August 8, 2006 - 3:11:07 PM
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  • HAL Id : tel-00088991, version 1

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Elise Nourtier-Mazauric. Modélisation géochimique et numérique des interactions entre des solutions solides et une solution aqueuse. Extension du logiciel de réaction-transport Archimède et application à la diagénèse minérale des réservoirs. Sciences de la Terre. Ecole Nationale Supérieure des Mines de Saint-Etienne, 2003. Français. ⟨tel-00088991⟩

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